# copyright (c) 2024 PaddlePaddle Authors. All Rights Reserve.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any, Dict, List, Literal, TypeVar

from typing_extensions import TypeAlias

Data: TypeAlias = Dict[str, Any]
BatchData: TypeAlias = List[Data]
DataT = TypeVar("DataT", Data, BatchData)

DeviceType: TypeAlias = Literal["cpu", "gpu"]
Backend: TypeAlias = Literal["paddle_infer", "openvino", "onnx_runtime", "tensorrt"]
